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Finding the Fourth Proportional to 10.98, 16.47 and 4.96

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Solution

The fourth proportional to 10.98, 16.47 and 4.96 is: 7.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.98 : 16.47 = 4.96 : x
  2. Step 2: Convert to fraction form
    10.98/16.47 = 4.96/x
  3. Step 3: Cross multiply
    10.98x = 16.47 × 4.96
  4. Step 4: Simplify right side
    10.98x = 81.69
  5. Step 5: Solve for x
    x = 81.69/10.98
  6. Step 6: Final answer
    x = 7.44

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